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drivers/mtd: Use kmemdup 

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
hifive-unleashed-5.1
Julia Lawall 2010-05-15 23:23:31 +02:00 committed by David Woodhouse
parent abab7ebf8c
commit d80f2666b5
1 changed files with 1 additions and 2 deletions
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3
drivers/mtd/mtdconcat.c
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@ -183,10 +183,9 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
}
/* make a copy of vecs */
vecs_copy = kmalloc(sizeof(struct kvec) * count, GFP_KERNEL);
vecs_copy = kmemdup(vecs, sizeof(struct kvec) * count, GFP_KERNEL);
if (!vecs_copy)
return -ENOMEM;
memcpy(vecs_copy, vecs, sizeof(struct kvec) * count);
entry_low = 0;
for (i = 0; i < concat->num_subdev; i++) {